//输入三个数，按从小到大输入
#include<stdio.h>
int main(){
	float a,b,c,t;
	scanf("%f,%f,%f",&a,&b,&c);
	if(a>b){
		t=a;
		a=b;
		b=t;
	}
	if(a>c){
		t=a;
		a=c;
		c=t;
	}
	if(b>c){
		t=b;
		b=c;
		c=t;
	}
	printf("%5.2f,%5.2f,%5.2f\n",a,b,c);
	return 0;
} 
